Andrew questions

Andrew answers

• Copying vectors without using the element copy assignment operator - portability
• RAII with a filestream
• Struct vs. array for multi-leveled data organization
• Memory Segments
• Meaning of (void (*)(void *))
• Comparing == != in templates
• Inserting multiple not-a-numbers into a std::unordered_set<double>
• C++ Looping through objects and pointers with the same code
• C++ array initialized in function cannot be accessed in main
• Is there a performance/memory usage impact in non-polymorphic inheritance?